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/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sdo.helper;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.util.EcoreUtil.Copier;
import commonj.sdo.ChangeSummary;
import commonj.sdo.DataObject;
import commonj.sdo.helper.CopyHelper;
/**
* A helper for copying DataObjects.
*/
public class CopyHelperImpl implements CopyHelper
{
public DataObject copyShallow(DataObject dataObject)
{
Copier copier = new Copier()
{
protected void copyContainment(EReference eReference, EObject eObject, EObject copyEObject)
{
}
protected void copyAttribute(EAttribute eAttribute, EObject eObject, EObject copyEObject) {
if(("ChangeSummaryType".equals(eAttribute.getEType().getName()) && "commonj.sdo".equals(eAttribute.getEType().getEPackage().getNsURI()))) {
boolean isLogging = ((ChangeSummary)eObject.eGet(eAttribute)).isLogging();
ChangeSummary destSum = (ChangeSummary)copyEObject.eGet(eAttribute);
if(isLogging) {
if(!destSum.isLogging()) destSum.beginLogging();
} else {
if(destSum.isLogging()) destSum.endLogging();
}
} else {
super.copyAttribute(eAttribute, eObject, copyEObject);
}
}
};
EObject result = copier.copy((EObject)dataObject);
copier.copyReferences();
return (DataObject)result;
}
public DataObject copy(DataObject dataObject)
{
Copier copier = new Copier()
{
protected void copyAttribute(EAttribute eAttribute, EObject eObject, EObject copyEObject) {
if(("ChangeSummaryType".equals(eAttribute.getEType().getName()) && "commonj.sdo".equals(eAttribute.getEType().getEPackage().getNsURI()))) {
throw new UnsupportedOperationException("This will be implemented when change summary serialization/deserialization is in place");
} else {
super.copyAttribute(eAttribute, eObject, copyEObject);
}
}
};
EObject result = copier.copy((EObject)dataObject);
copier.copyReferences();
return (DataObject)result;
}
}
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